However, Microsoft AI CEO Mustafa Suleyman revealed that all users of Copilot will be able to access OpenAI’s “world class o1 reasoning model”. While Copilot does have a paid Pro version, free users are also getting access to the new feature.

OpenAI's o1 reasoning model usually requires a costly subscription, but it's now free to all Microsoft Copilot users. This move follows a surge in popularity for Chinese AI app Deepseek and its free reasoning model earlier this week.

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Microsoft is bringing OpenAI’s o1 reasoning model to all Copilot users this week. You won’t need to subscribe to a $20 monthly Copilot Pro or ChatGPT Plus plan to get it either, as Microsoft is making it free for all users of Copilot.

Microsoft is making its AI assistant, Copilot, more intelligent and accessible by integrating OpenAI's o1 reasoning model for all users-without requiring a paid subscription. Previously available only to Copilot Pro and ChatGPT Plus subscribers, this advanced AI reasoning model is now free for every Copilot user.

OpenAI just released o3-mini, a reasoning model that’s faster, cheaper, and more accurate than its predecessor.